#include __FBSDID("$FreeBSD$"); /*- * Copyright (c) 2008 Hans Petter Selasky * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include static device_probe_t uss820_atmelarm_probe; static device_attach_t uss820_atmelarm_attach; static device_detach_t uss820_atmelarm_detach; static device_suspend_t uss820_atmelarm_suspend; static device_resume_t uss820_atmelarm_resume; static device_shutdown_t uss820_atmelarm_shutdown; static device_method_t uss820dci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, uss820_atmelarm_probe), DEVMETHOD(device_attach, uss820_atmelarm_attach), DEVMETHOD(device_detach, uss820_atmelarm_detach), DEVMETHOD(device_suspend, uss820_atmelarm_suspend), DEVMETHOD(device_resume, uss820_atmelarm_resume), DEVMETHOD(device_shutdown, uss820_atmelarm_shutdown), /* Bus interface */ DEVMETHOD(bus_print_child, bus_generic_print_child), {0, 0} }; static driver_t uss820dci_driver = { .name = "uss820", .methods = uss820dci_methods, .size = sizeof(struct uss820dci_softc), }; static devclass_t uss820dci_devclass; DRIVER_MODULE(uss820, atmelarm, uss820dci_driver, uss820dci_devclass, 0, 0); MODULE_DEPEND(uss820, usb2_controller, 1, 1, 1); MODULE_DEPEND(uss820, usb2_core, 1, 1, 1); static const char *const uss820_desc = "USS820 USB Device Controller"; static int uss820_atmelarm_suspend(device_t dev) { struct uss820dci_softc *sc = device_get_softc(dev); int err; err = bus_generic_suspend(dev); if (err == 0) { uss820dci_suspend(sc); } return (err); } static int uss820_atmelarm_resume(device_t dev) { struct uss820dci_softc *sc = device_get_softc(dev); int err; uss820dci_resume(sc); err = bus_generic_resume(dev); return (err); } static int uss820_atmelarm_shutdown(device_t dev) { struct uss820dci_softc *sc = device_get_softc(dev); int err; err = bus_generic_shutdown(dev); if (err) return (err); uss820dci_uninit(sc); return (0); } static int uss820_atmelarm_probe(device_t dev) { device_set_desc(dev, uss820_desc); return (0); /* success */ } static int uss820_atmelarm_attach(device_t dev) { struct uss820dci_softc *sc = device_get_softc(dev); int err; int rid; if (sc == NULL) { return (ENXIO); } /* initialise some bus fields */ sc->sc_bus.parent = dev; sc->sc_bus.devices = sc->sc_devices; sc->sc_bus.devices_max = USS820_MAX_DEVICES; /* get all DMA memory */ if (usb2_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(dev), NULL)) { return (ENOMEM); } rid = 0; sc->sc_io_res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); if (!sc->sc_io_res) { goto error; } sc->sc_io_tag = rman_get_bustag(sc->sc_io_res); sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res); sc->sc_io_size = rman_get_size(sc->sc_io_res); /* multiply all addresses by 4 */ sc->sc_reg_shift = 2; rid = 0; sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE); if (sc->sc_irq_res == NULL) { goto error; } sc->sc_bus.bdev = device_add_child(dev, "usbus", -1); if (!(sc->sc_bus.bdev)) { goto error; } device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); #if (__FreeBSD_version >= 700031) err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, NULL, (void *)uss820dci_interrupt, sc, &sc->sc_intr_hdl); #else err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, (void *)uss820dci_interrupt, sc, &sc->sc_intr_hdl); #endif if (err) { sc->sc_intr_hdl = NULL; goto error; } err = uss820dci_init(sc); if (err) { device_printf(dev, "Init failed\n"); goto error; } err = device_probe_and_attach(sc->sc_bus.bdev); if (err) { device_printf(dev, "USB probe and attach failed\n"); goto error; } return (0); error: uss820_atmelarm_detach(dev); return (ENXIO); } static int uss820_atmelarm_detach(device_t dev) { struct uss820dci_softc *sc = device_get_softc(dev); device_t bdev; int err; if (sc->sc_bus.bdev) { bdev = sc->sc_bus.bdev; device_detach(bdev); device_delete_child(dev, bdev); } /* during module unload there are lots of children leftover */ device_delete_all_children(dev); if (sc->sc_irq_res && sc->sc_intr_hdl) { /* * only call at91_udp_uninit() after at91_udp_init() */ uss820dci_uninit(sc); err = bus_teardown_intr(dev, sc->sc_irq_res, sc->sc_intr_hdl); sc->sc_intr_hdl = NULL; } if (sc->sc_irq_res) { bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq_res); sc->sc_irq_res = NULL; } if (sc->sc_io_res) { bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_io_res); sc->sc_io_res = NULL; } usb2_bus_mem_free_all(&sc->sc_bus, NULL); return (0); }